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in committee · Missouri · House Apr 16, 2026

HB 3320: Creates provisions relating to the regulation of community water systems

HB 3320, the "Water Transparency and Accountability Act," creates a statewide grading system (A-F) for Missouri community water systems - defined as those serving at least 15 connections or 25 residents annually - to assess their compliance with drinking water standards, financial health, and infrastructure performance. The Missouri Department of Natural Resources will assign grades annually based on violations of federal/state water laws, financial sustainability, operation history, and infrastructure issues, publishing results online. Systems receiving a "D" or "F" grade must address deficiencies through improvement plans but remain eligible for funding to fix water system issues, while the department may impose oversight or restrict debt for failing systems. This directly affects water corporations, municipal systems, and public water districts across Missouri, requiring transparency about water quality and accountability for system performance.